Wireless charger



FIG. 1 is a front, top perspective view of a wireless charger, showing my new design;

FIG. 2 is a rear, bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is another perspective view of the wireless charger, shown in an alternative position.

The broken lines in the figures illustrate portions of the wireless charger that form no part of the claimed design. 

CLAIM The ornamental design for a wireless charger, as shown and described. 